package concurrent;


import java.util.Objects;
import java.util.concurrent.TimeUnit;

/**
 * Created by yangyang on 2017/4/29 12:22.
 */
class InnerThread1 {
    private int countDown = 5;
    private Inner inner;
    private class Inner extends Thread {
        Inner(String name) {
            super(name);
            start();
        }

        public void run() {
            try {
                while (true) {
                    System.out.println(this);
                    if (--countDown == 0) {
                        return;
                    }
                    sleep(10);
                }
            }catch (InterruptedException e) {
                System.out.println("interrupted");
            }
        }

        public String toString() {
            return getName() + ": " + countDown;
        }
    }
    public InnerThread1(String name) {
        inner = new Inner(name);
    }
}

class InnerThread2 {
    private int countDown = 5;
    private Thread t;
    public InnerThread2(String name) {
        t = new Thread(name){
            public void run() {
                try{
                    while (true) {
                        System.out.println(this);
                        if (--countDown == 0) {
                            return;
                        }
                        sleep(10);
                    }
                }catch (InterruptedException e) {
                    System.out.print("sleep() interrupted");
                }
            }

            public String toString() {
                return getName() + "(" + countDown + ")";
            }
        };
        t.start();
    }
}

class InnerRunnable1 {
    private int countDown = 5;
    private Inner inner;
    private class Inner implements Runnable {
        Thread t;
        Inner(String name) {
            t = new Thread(this,name);
            t.start();
        }
        public void run() {
            try{
                while (true) {
                    System.out.println(this);
                    if (--countDown == 0) {
                        return;
                    }
                    TimeUnit.MILLISECONDS.sleep(100);
                }
            }catch (InterruptedException e) {
                System.out.println("sleep() interrupted");
            }
        }

        public String toString() {
            return t.getName() + ": " + countDown;
        }
    }
    public InnerRunnable1(String name) {
        inner = new Inner(name);
    }
}

class InnerRunnable2 {
    private int countDown = 5;
    private Thread t;
    public InnerRunnable2 (String name) {
        t = new Thread(name) {
            public void run() {
                try {
                    while(true) {
                        System.out.println(this);
                        if(--countDown == 0) {
                            return;
                        }
                        TimeUnit.MILLISECONDS.sleep(100);
                    }
                }catch (InterruptedException e) {
                    System.out.println("sleep() interrupted");
                }
            }

            public String toString() {
                return Thread.currentThread().getName() + "(" + countDown + ")";
            }
        };
        t.start();
    }
}

class ThreadMethod {
    private int countDown = 5;
    private Thread t;
    private String name;
    public ThreadMethod(String name) {
        this.name = name;
    }
    public void runTask() {
        if (Objects.isNull(t)) {
            t = new Thread(name) {
                public void  run() {
                    try{
                        while (true) {
                            System.out.println(this);
                            if (--countDown == 0) {
                                return;
                            }
                            TimeUnit.MILLISECONDS.sleep(10);
                        }
                    }catch (InterruptedException e) {
                        System.out.println("sleep() interrupted");
                    }
                }

                public String toString() {
                    return getName() + "(" + countDown + ")";
                }
            };
            t.start();
        }
    }
}
public class ThreadVariations {
    public static void main(String[] args) {
        new InnerThread1("InnerThread1");
        new InnerThread2("InnerThread2");
        new InnerRunnable1("InnerRunnable1");
        new InnerRunnable2("InnerRunnable2");
        new ThreadMethod("ThreadMethod").runTask();
    }
}
